发明名称 Process for production of purified O-(2,6-dichloro-4-methyl-phenyl) O,O-dimethyl phosphorothioate
摘要 A process for producing a purified O-(2,6-dichloro-4-methylphenyl)-O,O-dimethyl phosphorothioate, the process comprising: the first step of bringing a crude O-(2,6-dichloro-4-methylphenyl)-O,O-dimethyl phosphorothioate into contact with an acid; andthe second step of recovering the purified O-(2,6-dichloro-4-methylphenyl)-O,O-dimethyl phosphorothioate from the mixture obtained in the first step.
申请公布号 US9024054(B2) 申请公布日期 2015.05.05
申请号 US200913133396 申请日期 2009.12.18
申请人 Sumitomo Chemical Company, Limited 发明人 Yamauchi Eiji;Wakita Ryuhei
分类号 C07F9/18 主分类号 C07F9/18
代理机构 Panitch Schwarze Belisario & Nadel LLP 代理人 Panitch Schwarze Belisario & Nadel LLP
主权项 1. A process for producing a purified O-(2,6-dichloro-4-methylphenyl)-O,O-dimethyl phosphorothioate, the process comprising: a first step of bringing a crude O-(2,6-dichloro-4-methylphenyl)-O,O-dimethyl phosphorothioate into contact with hydrochloric acid; and a second step of recovering the purified O-(2,6-dichloro-4-methylphenyl)-O,O-dimethyl phosphorothioate from the mixture obtained in the first step.
地址 Tokyo JP